Valve.



i o. E. TRAUTMANN.

VALVE.

Y APPLlCATION FILED OCT. 2B, 1914. 1,177,291. Patented Mar. 28,1916.

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OTTO E. TRUTMANN, OF NEW YORK, N. Y., ASSIGNOR T0 'THOMAS EMURRAY, OF

NEW YORK, N. Y. i

Specification of Letters Patent. Patented Mar', 28, 1916,

Application led October 28, 1914. Serial No. $68,962.

To all 'whom t may concern:

Be it known that I, OTTO E. TRAUTMANN, a subject of the Emperor of Germany, residing at New York, in the county of New York and State of New York, have invented a certain new and useful Improvement in Valves, of which the following is a specilication.

The invention is a valve and receptacle therefor, and has for its object to make the valve noiseless and free from shock while in operation. W hen the valve, which is a strip of flexible material, is lifted, the first result is that its end portions meet flat bearing surfaces. its middle portion is then bent upward, uncovering at its longitudinal edges the outlet ports, so that the fluid entering the inlet on one side of said valve escapes around said longitudinal edges to the outlet.

In the accompanying drawings, Figure 1 is a face view of one of the two metal plates, here shown in disk form, in which the valve is seated. Fig. 2 is a face view of the other plate. Fig. 3 shows in plan the two plates placed together, with the valve in position, a portion of the plate of Fig. 2 being broken away. Fig. l is a plan view of the valve. Fig. 5 is an enlarged diametral section of valve-receiving plates and valve, the valve being in closed position. Fig. 6 is a similar view, the edges of the plates being broken away and the valve being shown in open position. l

Similar parts.

rIhe valve A is a strip of flexible material, preferably thin metal, and is received between the two metal plates B, C, which may be made in the form of d'sks. ln plate C is an elongated port D of less length than the valve A. 1n plate B are, preferably, two parallel elongated ports E, E, and on one face of said plate is formed a recess, the bottom 0f which is concave over its middle portion, as shown at F, and at its end portions is preferably flat, as shown at G. Said recess is at right'angles to the ports E, E.

When the parts are assembled, as shown in Figs. 3, 5 and 6, the valve is laid upon the flat upper surface of plate C. Plate B is placed upon plate C so that the` recess in plate B comes directly over and receives the valve A. As the valve is both longer and wider than the portv D in plate C, it comletters of reference indicate like plates B, C may be united by lscrews H. and

thewhole device may then be inserted in a cylinder head, pipe coupling or any casing, partition or wall in which it is desired to establish the valve. The port D being .the inlet; when the pressure becomes suiiicient, the valve is 'first raised until its upper side meets the fiat end faces Gr of the recess in plate B, and then the pressure forces the middle part of the valve upward intothe concavity F of the recess, the upper faces of the valve in contact With the flat end p0rtions G sliding inwardly, as shown in Fig. 6, to permit of said upward bending' of said middle part of the valve. The fluid under pressure is then free to escape into the two upward, its end portions simply slide upon said" flat surfaces, again without noise. When the pressure falls and the valve flattens in, returning to normal position, there is suficient clearance at its end edges to prevent said edges from meeting the end walls of the recess.

claim:

l. A valve seat having a flat surface, an

elongated valve of elastic flexible material,

and a cover having a recess concave -at its middle portion and having flat bottom faces at its end portions, the said valve extending across the concave portion of said recess and at both ends loosely received between the `Hat bottomed ends of said recess and said seat.

2. A valve seat having a flatv surface, an elongated valve of elastic flexible material, and a cover having a recess concave at its middle' portion and having flat bottom faces at its end portions, the said valve being received between the at bottomed ends of In testimony whereof have aixed my said recess and said seat and extending signature in presence of two Witnesses. longitudinally across the concave portion o v said recess, and there being a clearance be- OTTO E' TRAUTMANN' tween said valve and said fiat bottom faces Vitnesses: of said recess when said valve is in normal GERTRUDE T. PORTER, closed position. MAY T. MCGARR'Y. 

